Optimization of die design for extrusion of 6xxx series aluminum alloys through finite element analysis: a critical review

E Giarmas, D Tzetzis - The International Journal of Advanced …, 2022 - Springer
This paper presents an overview of the recent advances in optimization of die design
through finite element analysis for aluminum alloys of 6xxx series. The die design and …

A Homogeneous Flow Model for nitrogen cooling in the aluminum-alloy extrusion process

R Pelaccia, PE Santangelo - International Journal of Heat and Mass …, 2022 - Elsevier
Extrusion of aluminum alloys has become extensively employed as a process to
manufacture a variety of products. However, heat generated by the high deformation energy …

Formation mechanism and optimization strategy of surface back-end defects in miniature complex hollow extruded profile

Y Liu, X Wang, J Xu, D Shan, B Guo - Journal of Materials Processing …, 2022 - Elsevier
Back-end defects present a crucial problem in the extrusion of aluminum alloy profiles,
particularly in miniature complex hollow profiles. In this study, the formation mechanism and …

Micro-extrusion process and microstructure evolution of miniature heat pipe in 6063 aluminum alloy

Y Liu, J Xu, Z Zhang, G Liu, D Shan, L Zhang… - The International Journal …, 2022 - Springer
Micro-extrusion process of miniature heat pipe (MHP) with axial micro grooves is particularly
difficult due to ultra-large extrusion ratio and complex cross-sectional shape. In this study …

Liquid nitrogen in the industrial practice of hot aluminium extrusion: experimental and numerical investigation

R Pelaccia, B Reggiani, M Negozio… - The International Journal of …, 2022 - Springer
Nowadays, the liquid nitrogen cooling in aluminium extrusion is a widely adopted industrial
practice to increase the process productivity as well as to improve the extruded profile …

[HTML][HTML] Numerical and experimental study on extrusion of ZK60 Mg alloy using billet with temperature gradient

L Chen, Q Cheng, J Tang, Z Li, G Zhao… - Journal of Materials …, 2021 - Elsevier
The adoption of high ram velocity is beneficial to enhance the production efficiency of the
extrusion process, while it can cause an obvious temperature rise, resulting in rapid grain …

A novel combo‐transmission system of cold energy and electricity for aluminium profile production: Using liquid nitrogen and superconductor technologies

X Chen, Q Li, S Jiang, M Zhang, L Fu… - Energy Science & …, 2023 - Wiley Online Library
Aluminium production needs the most energy‐intensive technologies among all the metal
processing sectors. During the process of aluminium profile extrusion, the whole production …

Extrusion of light and ultralight alloys with liquid nitrogen conformal cooled dies: process analysis and simulation

R Pelaccia, M Negozio, L Donati, B Reggiani… - Journal of Materials …, 2021 - Springer
The die cooling by means of liquid nitrogen is a widely adopted industrial practice used to
increase the production rate in the hot extrusion process of light alloys. The development of …

Phase Field Method for the Assessment of the New-Old Billet Material Interaction during Continuous Extrusion Using COMSOL Multiphysics

S Di Donato, R Pelaccia, M Negozio - Journal of Materials Engineering …, 2024 - Springer
During the hot extrusion process of metals, billets are continuously loaded into the press and
joined together under high hydrostatic pressure, forming a single extruded profile …

Optimization strategy for the indirect isothermal extrusion of high-strength aluminum alloy based on temporal fusion transformer

C Guo, J Qiao, W Wang, DZ Sun, Q Li - The International Journal of …, 2023 - Springer
Isothermal extrusion is an important method for ensuring the quality of extruded profiles. On
the basis of the actual indirect extrusion process of 7075 aluminum alloy with high strength …